Table 1.
Participant demographic and psychosocial characteristics.
| Values | |
|---|---|
| Age, mean (SD); range, y | 32.7 (10.1); 19–69 |
| Sex | |
| Male | 30 (37.5) |
| Female | 50 (62.5) |
| Race/ethnicity | |
| NH Black | 3 (3.8) |
| NH White | 68 (85.0) |
| Asian | 4 (5.0) |
| Biracial/other | 5 (6.2) |
| Married/committed relationship | |
| Yes | 58 (72.5) |
| No | 22 (27.5) |
| Educational attainment | |
| High school or less | 2 (2.5) |
| ≤ 4 years post–high school education | 36 (45.0) |
| > 4 years post–high school education | 42 (52.5) |
| Employment status | |
| Full time | 49 (61.3) |
| Part time | 19 (23.8) |
| Retired/unemployed | 12 (15.1) |
| Insomnia diagnosis by clinical interview | |
| Yes | 24 (30) |
| No | 56 (70) |
Values are presented as n (%) except for age. NH = non-Hispanic, SD = standard deviation.